AionLabs: Aion-RP 1.0 (8B)
Analysis Summary
Aion-RP 1.0 is an 8B parameter model from AionLabs, positioned for roleplay and creative text generation rather than general business use. With no published benchmark data available, its capability profile cannot be assessed against the broader model landscape, and the 32K context window is restrictive for document-heavy workflows.
For businesses, the use case is narrow: it may serve creative writing or character-driven content tasks, but it lacks the reasoning depth, tool use, and instruction-following reliability needed for client-facing or analytical work. No vision, function calling, or agentic capability is listed.
At $0.80 input and $1.60 output per million tokens, pricing is moderate for a small model but hard to justify without benchmark evidence of quality. Teams with specific roleplay or creative fiction needs may find it useful, but most business applications are better served by a general-purpose model with verified performance data.
Assessed June 6, 2026
Editorial notes
AionLabs Aion-RP 1.0 (8B) is a small roleplay-focused model with no published benchmark data, a 32K context window, and limited general-purpose capability for business workflows.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How AionLabs: Aion-RP 1.0 (8B) compares
Its 33K-token context window is larger than 32% of the models we list. At $0.80 per million input tokens it is cheaper than 27% of comparable models.
About AionLabs: Aion-RP 1.0 (8B)
Aion-RP-Llama-3.1-8B ranks the highest in the character evaluation portion of the RPBench-Auto benchmark, a roleplaying-specific variant of Arena-Hard-Auto, where LLMs evaluate each otherās responses. It is a fine-tuned base model..
How does AionLabs: Aion-RP 1.0 (8B) stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
aion-labs/aion-rp-llama-3.1-8b
|
| Provider | aion-labs |
| Release Date | February 4, 2025 |
| Context Length | 32,768 tokens |
| Max Completion | 32,768 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.80 | $0.000800 |
| Output | $1.60 | $0.001600 |
Live Performance
Live endpoint metrics, refreshed every 30 minutes.
Leaderboard Categories
External Resources
Frequently asked questions about AionLabs: Aion-RP 1.0 (8B)
How much does AionLabs: Aion-RP 1.0 (8B) cost?
AionLabs: Aion-RP 1.0 (8B) costs $0.80 per million input tokens and $1.60 per million output tokens.
What is the context window of AionLabs: Aion-RP 1.0 (8B)?
AionLabs: Aion-RP 1.0 (8B) has a context window of 32,768 tokens (33K).
Who created AionLabs: Aion-RP 1.0 (8B)?
AionLabs: Aion-RP 1.0 (8B) is developed by AionLabs and was released on February 4, 2025.
